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-rw-r--r-- | docs/ChrisNotes.txt | 10 | ||||
-rw-r--r-- | docs/LangRef.html | 9 |
2 files changed, 9 insertions, 10 deletions
diff --git a/docs/ChrisNotes.txt b/docs/ChrisNotes.txt index ada4b0473a..6af61155b5 100644 --- a/docs/ChrisNotes.txt +++ b/docs/ChrisNotes.txt @@ -1,7 +1,7 @@ -* Must update PHI node to have a pair between predecessor and value. +* pred/succ iterators on basic blocks don't handle switch statements correctly * Enhance BB to make predecessor handling easier (to update PHI nodes) * Provide a pass that eliminates critical edges from the CFG -* Provide a print hook to print out xvcg format files for vis +* Provide a print pass to print out xvcg format files for vis * I need to provide an option to the bytecode loader to ignore memory dependance edges. Instead, the VM would just treat memory operations (load, store, getfield, putfield, call) as pinned instructions. @@ -13,8 +13,8 @@ structure size to 256 members. This can be fixed later by either: 1. adding varient that takes ushort 2. Splitting structures into nested structures each of half size - <float> %f = loadfield *{int, {float}} Str, ubyte 1, ubyte 0 - storefield float %f, *{int, {float}} Str, ubyte 1, ubyte 0 + <float> %f = load *{int, {float}} Str, 1, 0 + store float %f, *{int, {float}} Str, 1, 0 * I'm noticing me writing a lot of code that looks like this (dtor material here): ConstPool.dropAllReferences(); ConstPool.delete_all(); @@ -42,8 +42,6 @@ * pointer int * * "packed format", like this: [4 x sbyte]: Packed SIMD datatype * Maybe 'tailcall' also? -* It might be nice to support enumerations of some sort... especially for use - as a compiler IR * Include a method level bytecode block that defines a mapping between values and registers that defines a minimally register allocated code. This can make me finally address how to encode extensions in assembly. diff --git a/docs/LangRef.html b/docs/LangRef.html index b3d6d52121..bd055edb97 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -1045,6 +1045,7 @@ Memory is allocated, a pointer is returned. '<tt>alloca</tt>'d memory is automa <pre> <result> = load <ty>* <pointer> <i>; yields {ty}:result</i> <result> = load <ty>* <arrayptr>, uint <idx> <i>; yields {ty}:result</i> + <result> = load <ty>* <structptr>{, <idx>}* <i>; yields field type</i> </pre> <h5>Overview:</h5> @@ -1052,9 +1053,9 @@ The '<tt>load</tt>' instruction is used to read from memory.<p> <h5>Arguments:</h5> -There are two forms of the '<tt>load</tt>' instruction: one for reading from a general pointer, and one for reading from a pointer to an array.<p> +There are three forms of the '<tt>load</tt>' instruction: one for reading from a general pointer, one for reading from a pointer to an array, and one for reading from a pointer to a structure.<p> -In the first form, '<tt><ty></tt>' may be any pointer type. If it is a pointer to an array, the first (zeroth) element is read from). In the second form, '<tt><ty></tt>' must be a pointer to an array. No bounds checking is performed on array reads.<p> +In the first form, '<tt><ty></tt>' may be any pointer type. If it is a pointer to an array, the first (zeroth) element is read from). In the second form, '<tt><ty></tt>' must be a pointer to an array. No bounds checking is performed on array reads. In the third form, the pointer must point to a (possibly nested) structure. There shall be one ubyte argument for each level of dereferencing involved.<p> <h5>Semantics:</h5> @@ -1070,7 +1071,7 @@ In the first form, '<tt><ty></tt>' may be any pointer type. If it is a po <a href="#i_store">store</a> [4 x ubyte]* %array, uint 4, ubyte 124 %val = load [4 x ubyte]* %array, uint 4 <i>; yields {ubyte}:val = ubyte 124</i> - + %val = load {{int, float}}* %stptr, 0, 1 <i>; yields {float}:val</i> </pre> @@ -1370,7 +1371,7 @@ more... <address><a href="mailto:sabre@nondot.org">Chris Lattner</a></address> <!-- Created: Tue Jan 23 15:19:28 CST 2001 --> <!-- hhmts start --> -Last modified: Thu May 31 17:36:39 CDT 2001 +Last modified: Mon Jun 11 09:30:45 CDT 2001 <!-- hhmts end --> </font> </body></html> |